Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent
1980-12-12
1982-02-16
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
405146, E21D 1100, E21D 512
Patent
active
043157017
ABSTRACT:
The invention relates to a mechanism for stripping off pivotally interconnected vault segments of shuttering and includes two eccentric shafts interconnected by a connecting link which is mounted at the upper ends of said vault segments for rotation by a drive.
REFERENCES:
patent: Re26132 (1967-01-01), Cerutti
patent: 1734773 (1929-11-01), Murray
patent: 3373571 (1968-03-01), Records
patent: 3979919 (1976-09-01), Blonde et al.
Fishman Iosif D. Y.
Ivanov Valentin A.
Khodosh Vladimir A.
Koshelev Jury A.
Ostrovsky Igor S.
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